Identification:

As newly defined by Bolton (2003), workers of this subfamily can be distinguished by the following traits: (1) outer borders of frontal lobes forming short semicircles or triangles, and having a pinched -in appearance posteriorly, (2) promesonotal suture flexible, (3) constriction present between abdominal segments 3 and 4, but segment 3 not markedly reduced in size compared to segment 4 (i.e., postpetiole absent); (4) abdominal segments 3 and 4 with tergosternal fusion; and (3) sting well developed.

Notes:

This is a diverse group of ants, largely tropical in distribution, and predatory in habits. One genus (four species) is recorded from California.

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